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        <h1>Utility Shader Headers</h1>
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            <a href="box-filter.html"><code>box-filter</code></a>
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            Distort a given texture coordinate to emulate a curved CRT screen
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            <a href="lanczos.html"><code>lanczos</code></a>
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            Separable Lanczos2 downsample
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            <a href="language-helpers.html"><code>language-helpers</code></a>
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            Common header for all shaders, providing cross-platform (HLSL and GLSL) macros and functions
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            <a href="noise.html"><code>noise</code></a>
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            Some noise generators
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            <a href="tracking-instability.html"><code>tracking-instability</code></a>
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            Calculate the per-scanline instability noise
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